Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: qual é a grade quando as voltas são 2?
 ###Tabelas: CREATE TABLE rjtv_stations_nationwide_2nd_avenue (rjtv_stations_nationwide_2nd_avenue_id AUTO_INCREMENT PRIMARY KEY, Branding VARCHAR, Callsign VARCHAR, Ch. # VARCHAR, Power (kW) VARCHAR, Station Type VARCHAR, Coverage (Transmitter site) VARCHAR) CREATE TABLE doubles_18_7–10 (doubles_18_7–10_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Tournament VARCHAR, Surface VARCHAR, Partner VARCHAR, Opponents in Final VARCHAR, Score in Final VARCHAR) CREATE TABLE most_appearances (most_appearances_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Position VARCHAR, Premier League INT, FA Cup INT, League Cup INT, UEFA Cup INT, Total INT) CREATE TABLE year_by_year_performance (year_by_year_performance_id AUTO_INCREMENT PRIMARY KEY, Coach VARCHAR, Season VARCHAR, Record VARCHAR, Home VARCHAR, Away VARCHAR, Win % INT, Average (Total) Home Attendance VARCHAR) CREATE TABLE race (race_id AUTO_INCREMENT PRIMARY KEY, Driver VARCHAR, Constructor VARCHAR, Laps INT, Time/retired VARCHAR, Grid INT)  
SELECT Grid FROM race WHERE Laps = 2